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KMID : 0043320080310050659
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Archives of Pharmacal Research
2008 Volume.31 No. 5 p.659 ~ p.665
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Effects of Tanshinone IIA on the Hepatotoxicity and Gene Expression Involved in Alcoholic Liver Disease
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Yin Hu-Quan
Kim Young-Su
Choi You-Jin
Kim Youn-Chul
Sohn Dong-Hwan
Ryu Shi-Yong
Lee Byung-Hoon
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Abstract
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Tanshinone IIA is one of the most abundant constituents of the root of Salvia miltiorrhiza BUNGE which exerts antioxidant and anti-inflammatory actions in many experimental disease models. In the present study, we demonstrated that the standardized fraction of S. miltiorrhiza (Sm-SF) was able to protect RAW 264.7 cells from ethanol- and lipopolysaccharide (LPS)- induced production of superoxide radical, activation of NADPH oxidase and subsequently death of the cells. Among four main components of Sm-SF, tanshinone IIA was the most potent in protecting cells from LPS-and ethanol-induced cytotoxicity. LPS or ethanol induced the expression of CD14, iNOS, and SCD1 and decreased RXR-, which was completely reversed by tanshinone IIA. In H4IIEC3 cells, tanshinone IIA effectively blocked ethanolinduced fat accumulation as evidenced by Nile Red binding assay. These results indicate that tanshinone IIA may have potential to inhibit alcoholic liver disease by reducing LPS- and ethanol-induced Kupffer cell sensitization, inhibiting synthesis of reactive oxygen/nitrogen species, inhibiting fatty acid synthesis and stimulating fatty acid oxidation.
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KEYWORD
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Salvia miltiorrhiza, Tanshinone IIA, Alcoholic liver disease, Oxidative stress, Lipid metabolism
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